Matthew, We had two project with different touchpad chips, and confirmed with ODM that the low level implementation are same. So, the code could work on Synaptics and ALPS chip. 2011/6/2 Chris Bagwell <chris@xxxxxxxxxxxxxx>: > On Wed, Jun 1, 2011 at 8:30 PM, AceLan Kao <acelan.kao@xxxxxxxxxxxxx> wrote: >> Mattew, >> >> Dell tells us that they will use the same touchpad chip for their products, >> with the same touchpad LED layout, so I place the code in the dell-laptop. >> And F22 already map to enable/disable touchpad in X, BIOS and synaptics driver >> do nothing for this event, and my code only turns on/off the touchpad LED, >> not enable/disable the touchpad. > > X has recently (last year or less) cleaned these key definitions up a > little. F21 is defined to toggle touchpad on/off and F22 forces > touchpad ON and F23 forces touchpad OFF (XF86TouchpadToggle, > XF86TouchpadOn, and XF86TouchpadOff respectively). > > The 2.x version of Gnome released right before 3.0 understood this > mapping. I'm trying to track down why Gnome 3 doesn't treat F21 as > toggle though. Yes, I noticed that F21~F23 keys changed, but F22 works for my environment(Ubuntu Natty) now. I'll test it again on Ubuntu Oneiric to see if the new keys take actions of the function, then I'll do the modification. > >> >> BIOS should manage this kind of action to enable/disable touchpad and the LED, >> but Dell doesn't want to modify their BIOS to do that, since the >> touchpad driver of >> MS Windows manages to enable/disable touchpad and the LED by themselves, >> so Linux should do the same thing as Windows does. >> >> That's why we need those code and why I think dell-laptop is a good >> place for them. > > If you can send F22/F23 to match LED and using matching X then I think > you can get window's behaviour. > > Sorry, I don't have ready access to version of dell-laptop where it > understands KEY_F22 to see how easy it is to make that change. Best regards, AceLan Kao. -- Chia-Lin Kao(AceLan) http://blog.acelan.idv.tw/ E-Mail: acelan.kaoATcanonical.com (s/AT/@/) -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
